Through his extraordinary photographs, Sergey Anisimov has done more than most to show real Siberia to the world.
Giant holes created when pingos erupted after filling with gas.
And take part in scientific experiment to PROVE that the leaking of harmful greenhouse gases in the Arctic can be slowed.
This and 10 other silly questions answered by the Arctic explorer Alexander Oboimov.
Shocking puce water as nearby nickel processing plant says cause is decades of contamination in Soviet times which company is working to overcome.
Or is it too expensive to put the environment before the need for energy?
These extraordinary pictures give graphic new evidence of climate change.
Startling new details emerge of the most mysterious of Siberia's newly created giant permafrost holes.
More craters expected to form due to such eruptions as permafrost melts - and they ARE caused by global warming releasing methane gas.
Worried about the rapid destruction of permafrost from global warming? Here's how you can counter it by restoring the woolly mammoth habitat.